Home / 54,332.60-81,498.90-52,518.20

Finding the Fourth Proportional to 54,332.60, 81,498.90 and 52,518.20

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Solution

The fourth proportional to 54,332.60, 81,498.90 and 52,518.20 is: 78,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,332.60 : 81,498.90 = 52,518.20 : x
  2. Step 2: Convert to fraction form
    54,332.60/81,498.90 = 52,518.20/x
  3. Step 3: Cross multiply
    54,332.60x = 81,498.90 × 52,518.20
  4. Step 4: Simplify right side
    54,332.60x = 4,280,175,529.98
  5. Step 5: Solve for x
    x = 4,280,175,529.98/54,332.60
  6. Step 6: Final answer
    x = 78,777.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.